Stock chart
Ticker: KLAC Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2024-05-09 2024-05-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,000 -13.1%
716.63
100,000 USD
1,000 -13.1% 716.63 100,000 USD
2024-05-08 2024-05-06 PS Planned sale

Lorig Brian

Executive Vice President

Officer
1,000 -19.9%
699.16
100,000 USD
1,000 -19.9% 699.16 100,000 USD
2024-03-28 2024-03-26 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
7,018 -17.8%
705.04
4,947,971 USD
7,018 -17.8% 705.04 4,947,971 USD
2024-03-27 2024-03-25 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
3,257 -16.1%
697.85
2,272,897 USD
3,257 -16.1% 697.85 2,272,897 USD
2023-11-21 2023-11-17 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,621 -3.4%
531.77
861,999 USD
1,621 -3.4% 531.77 861,999 USD
2023-11-17 2023-11-15 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
430 -6.3%
550.00
236,500 USD
430 -6.3% 550.00 236,500 USD
2023-09-25 2023-09-22 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
3,155 -31.7%
451.51
1,424,514 USD
3,155 -31.7% 451.51 1,424,514 USD
2023-09-08 2023-09-06 S Sale

Hanley Jeneanne Michelle

Non-Executive Director
100 -3.2%
509.17
50,917 USD
100 -3.2% 509.17 50,917 USD
2023-09-08 2023-09-06 S Sale

Hanley Jeneanne Michelle

Non-Executive Director
400 -11.3%
508.92
203,569 USD
400 -11.3% 508.92 203,569 USD
2023-09-07 2023-09-05 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
2,633 -10.0%
507.01
1,334,957 USD
2,633 -10.0% 507.01 1,334,957 USD
2023-09-06 2023-09-01 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
13,963 -22.8%
503.58
7,031,488 USD
13,963 -22.8% 503.58 7,031,488 USD
2023-08-16 2023-08-14 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
2,621 -41.5%
474.55
1,243,796 USD
2,621 -41.5% 474.55 1,243,796 USD
2023-08-09 2023-08-07 PS Planned sale

Lorig Brian

Executive Vice President

Officer
2,738 -11.6%
500.00
1,369,000 USD
2,738 -11.6% 500.00 1,369,000 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
100 -0.1%
507.08
50,708 USD
100 -0.1% 507.08 50,708 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,346 -2.6%
506.22
1,693,812 USD
3,346 -2.6% 506.22 1,693,812 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
5,282 -4.0%
505.37
2,669,364 USD
5,282 -4.0% 505.37 2,669,364 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
15,012 -10.2%
504.43
7,572,503 USD
15,012 -10.2% 504.43 7,572,503 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
4,634 -3.0%
503.46
2,333,034 USD
4,634 -3.0% 503.46 2,333,034 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,201 -1.4%
502.30
1,105,562 USD
2,201 -1.4% 502.30 1,105,562 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,273 -2.1%
501.53
1,641,508 USD
3,273 -2.1% 501.53 1,641,508 USD
2023-08-09 2023-08-07 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,152 -0.7%
500.26
576,300 USD
1,152 -0.7% 500.26 576,300 USD
2023-08-09 2023-08-07 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
870 -6.6%
500.00
435,000 USD
870 -6.6% 500.00 435,000 USD
2023-08-09 2023-08-07 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
3,061 -6.0%
500.00
1,530,500 USD
3,061 -6.0% 500.00 1,530,500 USD
2023-08-03 2023-08-02 PS Planned sale

Lorig Brian

Executive Vice President

Officer
2,810 -13.7%
504.60
1,417,926 USD
2,810 -13.7% 504.60 1,417,926 USD
2023-08-03 2023-08-02 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
4,863 -11.2%
504.60
2,453,870 USD
4,863 -11.2% 504.60 2,453,870 USD
2023-07-07 2023-07-05 PS Planned sale

Lorig Brian

Executive Vice President

Officer
66 -0.3%
475.30
31,370 USD
66 -0.3% 475.30 31,370 USD
2023-05-19 2023-05-18 PS Planned sale

Lorig Brian

Executive Vice President

Officer
1,727 -6.9%
425.00
733,975 USD
1,727 -6.9% 425.00 733,975 USD
2023-05-18 2023-05-16 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
1,915 -3.4%
405.00
775,575 USD
1,915 -3.4% 405.00 775,575 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
200 -0.1%
387.74
77,548 USD
200 -0.1% 387.74 77,548 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,000 -0.7%
386.22
386,220 USD
1,000 -0.7% 386.22 386,220 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
955 -0.7%
384.65
367,341 USD
955 -0.7% 384.65 367,341 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
996 -0.7%
383.55
382,016 USD
996 -0.7% 383.55 382,016 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
500 -0.4%
382.61
191,305 USD
500 -0.4% 382.61 191,305 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
700 -0.5%
381.81
267,267 USD
700 -0.5% 381.81 267,267 USD
2023-05-09 2023-05-05 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
231 -0.2%
380.41
87,875 USD
231 -0.2% 380.41 87,875 USD
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
300 -0.2%
385.52
115,656 USD
300 -0.2% 385.52 115,656 USD
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,149 -1.5%
384.52
826,333 USD
2,149 -1.5% 384.52 826,333 USD
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,378 -1.6%
383.74
912,534 USD
2,378 -1.6% 383.74 912,534 USD
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,449 -1.0%
382.32
553,982 USD
1,449 -1.0% 382.32 553,982 USD
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,729 -1.8%
381.42
1,040,895 USD
2,729 -1.8% 381.42 1,040,895 USD
2023-05-05 2023-05-03 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,914 -2.5%
380.38
1,488,807 USD
3,914 -2.5% 380.38 1,488,807 USD
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,400 -0.9%
385.82
540,148 USD
1,400 -0.9% 385.82 540,148 USD
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
2,100 -1.3%
384.79
808,059 USD
2,100 -1.3% 384.79 808,059 USD
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
1,100 -0.7%
382.57
420,827 USD
1,100 -0.7% 382.57 420,827 USD
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
801 -0.5%
381.34
305,453 USD
801 -0.5% 381.34 305,453 USD
2023-05-04 2023-05-02 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
12,098 -7.1%
380.31
4,600,990 USD
12,098 -7.1% 380.31 4,600,990 USD
2023-04-05 2023-04-03 PS Planned sale

Lorig Brian

Executive Vice President

Officer
1,728 -6.5%
400.00
691,200 USD
1,728 -6.5% 400.00 691,200 USD
2023-04-04 2023-03-31 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
3,882 -13.7%
393.73
1,528,460 USD
3,882 -13.7% 393.73 1,528,460 USD
2023-03-23 2023-03-22 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
6,964 -12.3%
382.43
2,663,243 USD
6,964 -12.3% 382.43 2,663,243 USD
2023-03-22 2023-03-21 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
1,915 -3.2%
395.00
756,425 USD
1,915 -3.2% 395.00 756,425 USD
2023-03-22 2023-03-20 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
3,831 -6.1%
389.55
1,492,366 USD
3,831 -6.1% 389.55 1,492,366 USD
2023-02-24 2023-02-22 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,020 -1.6%
380.47
388,079 USD
1,020 -1.6% 380.47 388,079 USD
2023-02-16 2023-02-14 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
2,898 -4.0%
397.61
1,152,274 USD
2,898 -4.0% 397.61 1,152,274 USD
2023-02-16 2023-02-14 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
966 -1.3%
405.00
391,230 USD
966 -1.3% 405.00 391,230 USD
2022-12-15 2022-12-13 S Sale

Hanley Jeneanne Michelle

Non-Executive Director
500 -12.3%
406.67
203,333 USD
500 -12.3% 406.67 203,333 USD
2022-12-13 2022-12-09 PS Planned sale

Lorig Brian

Executive Vice President

Officer
3,127 -9.5%
400.00
1,250,800 USD
3,127 -9.5% 400.00 1,250,800 USD
2022-12-06 2022-12-02 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
3,194 -9.1%
380.66
1,215,828 USD
3,194 -9.1% 380.66 1,215,828 USD
2022-11-18 2022-11-17 PS Planned sale

Higgins Bren D.

EVP & Chief Financial Officer

Officer
1,621 -2.5%
361.77
586,429 USD
1,621 -2.5% 361.77 586,429 USD
2022-09-23 2022-09-22 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
3,155 -20.5%
320.34
1,010,673 USD
3,155 -20.5% 320.34 1,010,673 USD
2022-09-06 2022-09-01 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
2,417 -6.4%
334.86
809,357 USD
2,417 -6.4% 334.86 809,357 USD
2022-08-29 2022-08-25 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
3,868 -5.0%
375.00
1,450,500 USD
3,868 -5.0% 375.00 1,450,500 USD
2022-08-26 2022-08-24 PS Planned sale

Khan Ahmad A.

President, Semi Proc. Control

Officer
7,736 -9.0%
360.26
2,786,971 USD
7,736 -9.0% 360.26 2,786,971 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
8,618 -4.3%
385.22
3,319,826 USD
8,618 -4.3% 385.22 3,319,826 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
12,083 -5.7%
384.22
4,642,530 USD
12,083 -5.7% 384.22 4,642,530 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
10,770 -4.8%
383.11
4,126,095 USD
10,770 -4.8% 383.11 4,126,095 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
18,206 -7.5%
382.25
6,959,244 USD
18,206 -7.5% 382.25 6,959,244 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
15,186 -5.9%
381.24
5,789,511 USD
15,186 -5.9% 381.24 5,789,511 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
5,766 -2.2%
380.30
2,192,810 USD
5,766 -2.2% 380.30 2,192,810 USD
2022-08-17 2022-08-15 PS Planned sale

WALLACE RICHARD P

President and CEO

Officer
3,685 -1.4%
379.15
1,397,168 USD
3,685 -1.4% 379.15 1,397,168 USD
2022-08-12 2022-08-10 PS Planned sale

Lorig Brian

Executive Vice President

Officer
255 -0.8%
375.00
95,625 USD
255 -0.8% 375.00 95,625 USD
2022-08-10 2022-08-08 PS Planned sale

Wilkinson Mary Beth

EVP, CLO and Secretary

Officer
896 -4.8%
390.85
350,202 USD
896 -4.8% 390.85 350,202 USD
2022-08-10 2022-08-08 PS Planned sale

Lorig Brian

Executive Vice President

Officer
162 -0.5%
390.85
63,318 USD
162 -0.5% 390.85 63,318 USD
2022-08-10 2022-08-08 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
325 -5.8%
390.85
127,026 USD
325 -5.8% 390.85 127,026 USD
2022-08-09 2022-08-05 PS Planned sale

Kirloskar Virendra A

SVP & Chief Accounting Officer

Officer
973 -14.1%
389.09
378,585 USD
973 -14.1% 389.09 378,585 USD
2022-08-09 2022-08-05 PS Planned sale

Donzella Oreste

Executive Vice President

Officer
2,072 -5.1%
389.09
806,194 USD
2,072 -5.1% 389.09 806,194 USD